Locking mechanism state indication and secondary unlocking device of underwater multi-path hydraulic quick connector

Abstract

The invention discloses a locking mechanism state indicating and secondary unlocking device of an underwater multi-way hydraulic quick connector, the locking mechanism state indicating device comprises a mounting plate, a circumferential indicator and an axial indicator, the mounting plate is connected with a locking mechanism, and the circumferential indicator and the axial indicator are arranged on the mounting plate; the circumferential indicator comprises a first shell and a protection assembly, the locking mechanism is sleeved with the first shell, the protection assembly is arranged on the first shell and can rotate relative to the first shell, the first shell is provided with a first guide groove, the end of a guide pin of the locking mechanism penetrates through the first guide groove, and the guide pin is connected with the protection assembly. The locking mechanism can drive the protection assembly to rotate synchronously. The axial indicator is located on one side of the locking mechanism, can move relative to the first shell and moves in the axial direction of the first shell.

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